<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>9.15CSS常用样式</title>
	<style>
	    body{
	    	background-image:url("http://g.hiphotos.baidu.com/zhidao/wh%3D450%2C600/sign=993be2f5b28f8c54e386cd2b0f1901c3/8644ebf81a4c510fef93c6016659252dd42aa551.jpg");
	    }
		p{
			border:red 5px solid;
			width:300px;
			height:20px;
			background-color:pink;	
		}
	</style>
</head>
<body>
	<p>这是一段被用来设置常用样式的文字</p>
</body>
</html>